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单词 alveolus
释义

Definition of alveolus in English:

alveolus

nounPlural alveoli ˌalvɪˈəʊləsalˈvɪələsælˈviələs
Anatomy
  • 1Any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.

    肺泡

    Example sentencesExamples
    • Holes in the lungs occur as the alveoli air sacs break down.
    • Many alveoli in the functioning lung can remain at low volume for extended periods.
    • He found a major cause of bronchial asthma and many other chronic diseases to be a deficiency of carbon dioxide in the alveolus of our lungs.
    • Scientists also suspect that air pollutants might dampen the growth of alveoli, tiny air sacs in the lungs.
    • As altitude increases above sea level, atmospheric pressure drops with a parallel decrease in the amount of oxygen available at the blood/air interface in the lung alveolus.
    1. 1.1 An acinus (saclike cavity) in a gland.
      腺泡
      Example sentencesExamples
      • Carbon dioxide in the lungs is 4.5 to 6%, in the blood of alveolus 6.5% and in cells 7%.
  • 2The bony socket for the root of a tooth.

    牙槽

    Example sentencesExamples
    • The tooth row is present throughout the entire preserved length of the jaw and possesses 16 teeth and empty alveoli.
    • These problems can be fixed by grafting bone matter onto the alveolus.
    • The tooth is two-rooted, with each root housed in its own alveolus.
    • Only a few, fragmentary teeth are preserved, and judging by the fragments and the size of alveoli, the teeth were gracile.
    • No preserved teeth or alveoli can be observed in the premaxilla and dentary bones.

Derivatives

  • alveolate

  • adjective alvɪˈəʊlətalˈvɪələtælˈviələt
    Anatomy
    • The Siddall group addressed the molecular phylogeny of three, very similar, alveolate genera.
      Example sentencesExamples
      • One of them corresponded to an alveolate sequence belonging to the recently described marine.
      • Several workers have suggested that the entire alveolate clade is derived from a photosynthetic ancestor.

Origin

Late 17th century: from Latin, 'small cavity', diminutive of alveus.

Rhymes

Aeolus, bolas, bolus, gladiolus, holus-bolus, solus, toeless

Definition of alveolus in US English:

alveolus

nounælˈviələsalˈvēələs
Anatomy
  • 1Any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.

    肺泡

    Example sentencesExamples
    • He found a major cause of bronchial asthma and many other chronic diseases to be a deficiency of carbon dioxide in the alveolus of our lungs.
    • Holes in the lungs occur as the alveoli air sacs break down.
    • Many alveoli in the functioning lung can remain at low volume for extended periods.
    • Scientists also suspect that air pollutants might dampen the growth of alveoli, tiny air sacs in the lungs.
    • As altitude increases above sea level, atmospheric pressure drops with a parallel decrease in the amount of oxygen available at the blood/air interface in the lung alveolus.
    1. 1.1 An acinus (saclike cavity) in a gland.
      腺泡
      Example sentencesExamples
      • Carbon dioxide in the lungs is 4.5 to 6%, in the blood of alveolus 6.5% and in cells 7%.
  • 2The bony socket for the root of a tooth.

    牙槽

    Example sentencesExamples
    • Only a few, fragmentary teeth are preserved, and judging by the fragments and the size of alveoli, the teeth were gracile.
    • The tooth row is present throughout the entire preserved length of the jaw and possesses 16 teeth and empty alveoli.
    • No preserved teeth or alveoli can be observed in the premaxilla and dentary bones.
    • The tooth is two-rooted, with each root housed in its own alveolus.
    • These problems can be fixed by grafting bone matter onto the alveolus.

Origin

Late 17th century: from Latin, ‘small cavity’, diminutive of alveus.

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更新时间:2024/10/19 16:36:55